1304200889 has 2 divisors, whose sum is σ = 1304200890. Its totient is φ = 1304200888.

The previous prime is 1304200867. The next prime is 1304200897. The reversal of 1304200889 is 9880024031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006983289 + 297217600 = 31733^2 + 17240^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304200889 - 2¹² = 1304196793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304200589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652100444 + 652100445.

It is an arithmetic number, because the mean of its divisors is an integer number (652100445).

Almost surely, 2^1304200889 is an apocalyptic number.

It is an amenable number.

1304200889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304200889 is an equidigital number, since it uses as much as digits as its factorization.

1304200889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1304200889 is about 36113.7216165822. The cubic root of 1304200889 is about 1092.5672139996.

The spelling of 1304200889 in words is "one billion, three hundred four million, two hundred thousand, eight hundred eighty-nine".